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Station operated in cooperation with Cleveland-Cliffs Inc. and the Michigan Department of Environment, Great Lakes and Energy.
Min (1977) | 25th percen- tile | Mean | Median | Most Recent Instantaneous Value Sep 6 | 75th percen- tile | Max (1974) |
---|---|---|---|---|---|---|
1.20 | 12 | 18 | 19 | 22.5 | 23 | 28.0 |